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NABCEP PVIP (PV Installation Professional) Board Certification Exam is a certification program designed for individuals looking to demonstrate their knowledge and skills in the field of photovoltaic (PV) system installation. PV Installation Professional (PVIP) Board Certification certification is ideal for professionals who want to specialize in the safe, efficient, and effective installation of PV systems in both residential and commercial settings. It is a comprehensive exam that tests the knowledge and skills acquired through extensive training and on-the-job experience in the field.

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NABCEP PVIP Board Certification Exam is designed to test the knowledge and skills of solar PV installers in a comprehensive manner. PVIP exam covers a range of topics, including safety, system design, electrical and mechanical components, installation, commissioning, and maintenance. To be eligible to take the exam, candidates must have at least 58 hours of advanced PV training or 10 years of PV installation experience.

NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions (Q22-Q27):

NEW QUESTION # 22
The AHJ for enforcement of the NEC has which responsibility?

A. Inspecting factory-installed wire and equipment construction methods
B. Inspecting installations under the exclusive control of the electric utility
C. Approval equipment installation methods for efficiency, convenience, and adequacy for good service
D. Making interpretations of the rules and deciding on approval of equipment and material

Answer: D

NEW QUESTION # 23
A homeowner is concerned that a 6kWdc PV system might be experiencing a performance issue. The homeowner has noticed what appears to be declining production. The installer analyzes the following data acquisition system (DAS) results for each year since the installation:

Given the data, which is the MOST likely conclusion to draw?

A. A combination of normal module degradation combined with cloudy weather has caused lower output in the past few years.
B. There is a problem with the DAS because the peak sun hours do not correlate with production values and the das should be repaired.
C. The system has experienced above-average degradation and a module warranty claim should be explored.
D. There is an intermittent inverter failure that is causing production to be lower than expected and the inverter should be repaired.

Answer: A

NEW QUESTION # 24
A grid-connected PV system on a dwelling is producing 30% less power than expected. The conductors from threes strings of modules enter into a 3-pole fused dc disconnect, and each ungrounded conductor is connected to a separate pole. On the inverter side of the switch terminals, the three strings are combined. The dc disconnect switch is opened. The voltages on the array side of theswitchare 440 on string #1, 444V on string
#2, and 0V on string #3. The dc disconnect is then closed and the inverter resumes operating, still producing about 30% less power than expected. A clamp-on ammeter is used to measure the dc current of each string of each string of modules where they enter the rooftop junction box. The operating currents of each string are
3.9A for string #1, 3 85A for string #2, and 4.3 A for string #3. What is the MOST likely with the system?

A. String #3 has an open connection and is not contributing any voltage.
B. A ground fault is causing the current from strings #1 and #2 to flow into string #3.
C. Positive and negative output conductors of string #3 are faulted together.
D. There is lower module mismatch in string #3 than in string #1 and #2.

Answer: C

NEW QUESTION # 25
A module's STC power is 300W, with a temperature coefficient of -0.40%/°C. At 65°C, what is the power loss percentage?

A. 16%
B. 12%
C. 18%
D. 14%

Answer: A

NEW QUESTION # 26
A AWG THWN-2 PV output conductors from two PV arrays are run in the same 3 in, conduit to their respective functionally grounded inverters in the building. The three PV source circuits are each protected by a
15A fuse in the combiner box at the array. The conduit, which is strapped directly to the roof,is exposed to design temperatures of 140' F (60'C) during its 30 ft.
Exposed run. What is the MAXIMUM current carrying capability value of the PV output conductors?

A. 34A
B. 42A
C. 54A
D. 61A

Answer: A

NEW QUESTION # 27
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